How to Hack a Headphone Jack - Circuit BasicsHow to Hack a Headphone Jack. Posted by Circuit Basics | DIY Electronics | 51 . I’ll show you how to wire the two most common types of audio jacks – TRS and TRRS. Depending on the type of plug, you may have access to the pins inside the connector’s housing.Raspberry Pi · Arduino · How to Design a PCB Layout · DIY Electronics · Programming · ResourcesHow to Replace a Stereo Connector and Salvage Audio CablesWhat You’Ll NeedWires in The CableAudio JackWhy Solder?Aside from your headphones or cable, you’ll need a spare audio jack. You can find these online or at a local store like Radioshackn apart, it’ll look like this. You can see that the contacts on the left piece here have screws. That’s right, no soldering experience is required! If have a soldering iron, definitely use it, but it’s not a necessity. See the section at the bottom of the page for more information’ll also need a hobby knife and a lighter, and it’s a good idea to have some..See more on howtogeek